Multiple Choice
When a sparkler is twirled rapidly,people perceive a circle of light.This occurs because
A) the trail you see is caused by sparks left behind from the sparkler.
B) due to its differing wavelengths,the light from the sparkler continues to radiate for about a second after it goes out.
C) the length of iconic memory (the persistence of vision) is about a fraction of a second.
D) Gestalt principles work to complete the circle in our minds.
Correct Answer:

Verified
Correct Answer:
Verified
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